| 高光谱遥感数据三次光滑样条滤噪 |
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| 引用本文： | 路威,余旭初,刘娟.高光谱遥感数据三次光滑样条滤噪[J].测绘学院学报,2005,22(1):11-13,16. |
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| 作者姓名： | 路威 余旭初 刘娟 |
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| 作者单位： | 信息工程大学测绘学院 河南郑州450052
(路威，余旭初)，信息工程大学测绘学院 河南郑州450052(刘娟) |
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| 摘 要： | 分析了高光谱遥感数据噪声滤波的作用和现状，实现了一种基于三次光滑样条函数的高光谱遥感数据噪声滤波算法，解决了目前高光谱遥感数据噪声滤波算法自适应效果不理想的问题。通过对AVIRIS数据试验，证明此方法简单易行，计算精度高，具有良好的局部自适应拟合能力，并能有效地滤除数据中的噪声，改善数据质量。
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| 关 键 词： | 三次光滑样条 光谱反射曲线 信噪比 AVIRIS |
The Application of Cubic Smooth Spline in Noise Filtering to Hyperspectral Data |
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| LU Wei,YU Xu-chu,LIU Juan.The Application of Cubic Smooth Spline in Noise Filtering to Hyperspectral Data[J].Journal of Institute of Surveying and Mapping,2005,22(1):11-13,16. |
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| Authors: | LU Wei YU Xu-chu LIU Juan |
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| Abstract: | This paper analyzes the function and the present condition of hyperspectral data's noise filtering deeply, and realized a method of noise filtering which is based on the cubic smooth spline. This method settles a problem of hyperspectral data's noise filtering that all ways can not filter noise adaptive. We tested this method with AVIRIS' data and provided that this method has an excellent property of adapting to the data, further more this method can filter the noise effectively and improve the quality of data. |
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| Keywords: | cubic smooth spline spectrum reflect curve signal-to-noise AVIRIS |
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